SNIS227C
May 2021 – June 2022
TMP126-Q1
PRODUCTION DATA
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
SPI Interface Timing
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Descriptions
8.3.1
Temperature Limits
8.3.2
Slew Rate Warning
8.3.3
Cyclic Redundancy Check (CRC)
8.3.4
NIST Traceability
8.3.5
Fast Measurement Intervals With No Self-Heating Concerns
8.4
Device Functional Modes
8.4.1
Continuous Conversion Mode
8.4.2
Shutdown Mode
8.4.3
One-Shot Mode
8.4.4
Interrupt and Comparator Mode
8.4.4.1
Interrupt Mode
8.4.4.2
Comparator Mode
8.5
Programming
8.5.1
Temperature Data Format
8.5.2
Serial Bus Interface
8.5.2.1
Command Word Structure
8.5.2.1.1
Don't Care
8.5.2.1.2
CRC Enable
8.5.2.1.3
CRC Data Block Length
8.5.2.1.4
Auto Increment
8.5.2.1.5
Read/Write
8.5.2.1.6
Sub-Address
8.5.2.2
Communication
8.5.2.3
Write Operations
8.5.2.4
Read Operations
8.5.2.5
Cyclic Redundancy Check (CRC)
8.5.2.5.1
Cyclic Redundancy Check Implementation
8.6
Register Map
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
Receiving Notification of Documentation Updates
12.3
Support Resources
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DCK|6
MPDS114D
DBV|6
MPDS026P
Thermal pad, mechanical data (Package|Pins)
Orderable Information
snis227c_oa
snis227c_pm
7.7
Typical Characteristics
Figure 7-1
Average Temperature Accuracy (DBV)
Figure 7-3
Temperature Measurement Noise Distribution at 25°C
Figure 7-5
Temperature Measurement Noise Distribution at 175°C
Figure 7-7
Standby Current vs Temperature
I
OUT
= –3 mA
Figure 7-9
ALERT Output vs Temperature
Figure 7-11
Stirred Liquid Response Time (DCK)
Figure 7-2
Average Temperature Accuracy (DCK)
Figure 7-4
Temperature Measurement Noise Distribution at –55°C
Figure 7-6
Active Conversion Current vs Temperature
Figure 7-8
Shutdown Current vs Temperature
Figure 7-10
Stirred Liquid Response Time (DBV)